Display screen with a graphical user interface



FIG. 1 is a front view of a display screen with a graphical userinterface showing a first embodiment of our new design; and,

FIG. 2 is a second embodiment thereof.

The broken lines around the Figures show a display screen, and form nopart of the claimed design. The broken lines within the Figures showportions of the graphical user interface that form no part of theclaimed design.

CLAIM We claim the ornamental design for a display screen with agraphical user interface, as shown and described.